Pliers



Patented J an. 16, 1 923. 7

wnzrirnmseotrrnuwnnrus, or-cr'nornnn'r onros' f r runes:

Application-filed,-November T all whom ,z'tmayconocrn'i Beit known that} I,

' DUWnLi s, a citizen.ofthe-Unitedlcistates,

residing at Cincinnati, in ;the, countyof. Hamilton, State 7 of Ohio ha ve invented: oertain new and useful Improvementsin and I. do hereby declare' the ifQllO'W ing to be a full, clear, and exact description: of the invention, suchv as will-tenable others- Plier skilledginzthe arts to which; 'itlappertains to make'and: use thesame. The presentoinvention. relates ments. in pliers or like gripping devicesr:

Inrorder to obtain azgood.securegripi withfwithrespectto this-rigid portioniy The body;

memberthe jaw is represented at? and a pair of'pliers :it is desirabletliatwthe point v l v j I consists of a piece o1 sheet metal stamped;

of contact vbetween. thefedge and] the pliers? be otfsomewhat extended-lama: ,To that. end. it has been customary to provide special. pliers with; differently shaped: jaws for handling special articles of'irregulanshape,

but in apair of pliers .forl general use,; such,

for. instance as part ofQanrautomobilisfis kit,

it is impossible. to hznverpor-tions:ofvthe-jaw shaped for anything but the most ,,commo1r articles, for instance, rectangular and round objects". For articles of; other shapes the ordinary pair of pliers affords an inefficient-a gripv and may, also daina'gethe article byireason of: concentration, of; pressure upon, a-v

single-point. ofcontact. Y improvedpliers.

are. designed to overcome theseobjections and thetprincipal object irthed-invention is v to provide a pair of'pliers that will satisvfactorily grip and rholdcobj ects .of various shapes.

throughout. p Y

A further. objectlisgto provide 'aspair of pliers-of. the above type composed chiefly of stamped parts whichimayi befreadily ando cheaply assembled whereby thetool; may; be manufactured atbut. little, gi eaterscost.tlian one jaw of the pliers, Figure 4 is a bottom plan view of Figure .3; Fi 5 is a sectional View taken on ,line 5 5 of Fig. 1 Figs. 6 to 9, inclusive, are elevational views illustrato improveadaptsthe; pliers to grip objectsj otvarious shapes" Referring to the. drawings, the Qnumerals 1 and 2 indicate the plier handles and sl iowsthe 'pin by; which theltwo-membersf arejhi-ngeid together, 1 The jaw 4 is rigid and "is 'made ihtegral with" the handle, :1. The

intoythe-propejr pattern, pressedlinto the jaws in-plaoe-as the joint between the jaws The faces-of; the linl'rsrform, the ;-gripp i ng- .surface'and-are provided with serrationsias" .at 16 and 171m asslstinassuringagged useful or cutting wires, and the face of tllBjELW 4 1s notched as shown to receive the w1re.

joint at 3 is shown in detail in Fig; 5. It is to be noted that the pin 3-extends through the handles 1 and 2' together with the plate. 5 and the lap extension 21 of thegmemberf.

I In Figs. 6, 7, 8 and 9 the manner in Which I fulcrum joint-at is strengthened by'rneans;

of a; plate 5 whichis stampedoutof'Sheet metaltandseeured to jaw elan'd handle-1 bymeansofgrivets 6 The otherzj aw comprises a rig-id bodyjportion and ,a; portionmovable=;=

. desired shape and secured to, the handlez2 bypf.

means of riwets 8.- l The hollow portion: 9 constitutes a housing; for the movable meme .bers. Inthis,,the-preferrecl embodimentnot, i my invention, the -n'1ovable member "COl'Ilf prisesotwo links 10 and-E11movablerelativew to the member 7 andhinged-;together by; means ofa pivot ,pin' 12. The llDkflOylS pivoted to the outer end of the member? by meansofa-pin 13jaboutwhich it has limitedrotatiom "The link 11 :is also Inovably connected totthe' jaw v7, preferably in; a, ,manner to permitboth'agpivotal and a slid-. ing movement, As --show-n "a longitudinal. slotfll l ismadein-lin'l; 11 thereby'allowing' the linksto befslippedovera pin 15 arranged, inthe 'member 7 when the-partszaare v j l ,assembled'. The pin 131wi'llthen hold the E Another'object: of the invention isto provide a pair of pliers oftheabove-type-that. is simple in constructionandwhich isgrugged! :docs, -notall ow sutfioient movement torthe o, enhance-;theutility 10f$l1e pliers the rigid aw fl is raised somewhat and flattened; off at 18 to form a hammer head,. The jaw a 4 also carriesla removable knife -;1:9;h eld in; l place b" screws 20; The knife is mainly The means of strengthening the fulcrum the jaws of the pliers adjust themselves to differently shaped articles is illustrated.

The flexible mounting of the link 10 per-- mits the link to adjust its position about the rivet 13 as a center to a sufficient extent to allow a wide variation in the angle of the face of the link with respect to the face of the fixed jaw 4 so that articles with diverging faces, as shown in Fig. 6, or parallel faces as shown in Fig. 7, or converging faces as shown in Fig. 8, will all be effectively gripped by the entire surface of the link 10 and the flat face of the opposing jaw.

In handling curved objects as shown in Fig. 9, the jaw 11 also becomes a gripping jaw, the jaws 10 and 11 conforming tothe curve of the surface by reason of their pivotal connection. It will be obvious also that the jaws 10 and 11 similarly adjust themselvesto engage two faces of anangular object such, for example, as an ordinary nut, thereby affording'a much better grip than can be had with pliers of the present construction.

This specification describes in detail the preferred embodiment of my invention as is shown in the drawings. It is to be under-' stood,-however, that certain modifications of construction may be made without departing from the essential features of the inrespect to each other and with respect to.

the body member.

said jaws consisting of a body member and a series of relatively movable links.

4. Apair of pliers or similar gripping de vice having two cooperating jaws, one of said jaws consisting of a body member and a part movable relative to said member, the movable part comprising a" series of pivotally interconnected links.

5. A pair of pliers or similar gripping de- -ab1e connection between jaw. i

u. A pair of pliers or like gripping as vice having two cooperating aws, one of vice having two; cooperating jaws, one of said jaws consisting of abody memberand a series of pivotally inter-connected links movable relative tosaid member, the link at one end of said series being hinged to the bodyof the jaw.

6. A'pair of pliers or similar gripping device having two cooperating jaws, one of i said jaws consistlng, of a body member and a series of p votally interconnected ,llnksf movable relative to said member, the link at one end 'ofsaid' series being hinged toj the body of the jaw, and the link at the other end' being slidablyconnected to said body member. i

7. A pair of pliers'or similar gripping de vice having two cooperating aws, one of said jaws consisting of ,a body member and a series of pivotally interconnected links' movable relative to said member, the link at one end of said series'being hinged to the body of the jaw, and the. link at the other end being provided with'a longitudi nal slot adapted to receive a pin secured to I the body of the'jaw thereby forming a slidbody member. I

8. A pa'irof pliers or similar gripping deivice having cooperating jaws, one of 'said jaws being rigid and the other consisting of a body memberand 'aseries of pivotally said, link and-the interconnected links movable relative to said member, the link at one .endof said series being hinged to the body ofthe jaw nearits outer end, the link at the other end being provided with a longitudinal slot adapt ed to receive a.:'pins'ecured to the body of i the jaw near its inner end, thereby forming a slidable connection between said 'link and thebody member, said series of links constituting the gripping'"surface of fthe v 3- V 9. Inapair of pliers or like-gripping de vice having two cooperating members, com-' rigid and the other-consisting of 'a body portion and 'a SGIlBSOf hn'ksmovable rela prising two jaws, one of said jaws being tive to said body portion, a fulcrum joint consisting. of said two cooperating members and two strengthening plates placed together, and a pivot pin,.said pin extending through the four members.

I In testimony whereof I affin my signature.

WALTER sooTT DUWELIUS. a. 

